Frost dates for Round Rock, Texas
In a typical year, Round Rock’s last spring frost lands around Mar 11 and the first fall frost around Nov 20, a growing season of about 254 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 9a.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Feb 22 | Nov 3 |
| 50 percent | Mar 11 | Nov 20 |
| 90 percent | Mar 29 | Dec 9 |
A 10 percent year is an early year, a 90 percent year a late one. Frost-sensitive planting usually waits for the 90 percent side of the last-frost band.
Soil in Round Rock is typically around 83°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
Plantable now in Round Rock
- Chives (Common Chives)
- Calendula (Pacific Beauty)
- Scallion (White Lisbon)
- Dill (Mammoth Long Island)
- Lemon balm (Common Lemon Balm)
- Phacelia (Common Phacelia)
- Mâche (Coquille de Louviers)
- Sorrel (Garden Sorrel)
Timing comes from the same temperature engine the app uses, run against Round Rock’s normals for today.
Nearby cities
- Austin, TX (around Feb 20 to Dec 3)
- Killeen, TX (around Mar 14 to Nov 17)
- Waco, TX (around Mar 9 to Nov 20)
- College Station, TX (around Feb 27 to Nov 30)
- San Antonio, TX (around Feb 25 to Nov 28)
Row & Bed is a plant reference built around your garden: your zone, your frost dates, your forecast, and a cited page for every variety in your beds.
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